CN108919465A - Optical imagery eyeglass group - Google Patents

Optical imagery eyeglass group Download PDF

Info

Publication number
CN108919465A
CN108919465A CN201810917255.2A CN201810917255A CN108919465A CN 108919465 A CN108919465 A CN 108919465A CN 201810917255 A CN201810917255 A CN 201810917255A CN 108919465 A CN108919465 A CN 108919465A
Authority
CN
China
Prior art keywords
lens
optical imagery
object side
imagery eyeglass
eyeglass group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810917255.2A
Other languages
Chinese (zh)
Other versions
CN108919465B (en
Inventor
高雪
闻人建科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sunny Optics Co Ltd
Original Assignee
Zhejiang Sunny Optics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Sunny Optics Co Ltd filed Critical Zhejiang Sunny Optics Co Ltd
Priority to CN201810917255.2A priority Critical patent/CN108919465B/en
Publication of CN108919465A publication Critical patent/CN108919465A/en
Application granted granted Critical
Publication of CN108919465B publication Critical patent/CN108919465B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design

Abstract

This application discloses a kind of optical imagery eyeglass group, which sequentially includes by object side to image side along optical axis：The first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens with focal power.The object side of first lens is concave surface, and image side surface is convex surface；Second lens have positive light coke；4th lens have negative power, and object side and image side surface are concave surface；6th lens have negative power；And first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens are the lens of plastic material.The radius of curvature R 8 of the image side surface of the radius of curvature R 7 and the 4th lens of the object side of 4th lens meets -1.5 < R7/R8≤- 0.5.

Description

Optical imagery eyeglass group
Technical field
This application involves a kind of optical imagery eyeglass groups, more specifically, this application involves a kind of light including seven lens It studies as lens set.
Background technique
With the high speed development of the portable electronic products such as smart phone, photographing request of the market to portable electronic product It is higher and higher.The optical lens being equipped on portable electronic product often uses charge coupled device (CCD) and complementary metal oxide The photosensitive elements such as object semiconductor (CMOS) are as imaging sensor.As these photosensitive elements are continuously subject to big image planes, high pixel The development in equal directions, the requirement of miniaturization and high imaging quality to matched optical lens also step up.
Currently, conventional optical imagery eyeglass group can not combine the requirement such as high pixelation, long-focus and small size. In order to realize portable electronic product clearly shoot and obtain under dark decreased light the small depth of field, actual situation combine shooting effect, The camera system being equipped on portable electronic product is asked to need good image quality and high-resolution.
Summary of the invention
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art The optical imagery eyeglass group of at least one above-mentioned disadvantage.
On the one hand, this application provides such a optical imagery eyeglass group, the optical imagery eyeglass group along optical axis by Object side to image side sequentially includes：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens.Its In, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light coke； The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface；The Five lens have focal power；6th lens can have negative power；7th lens have focal power；And first lens, second Lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens can be the lens of plastic material.Wherein, The radius of curvature R 8 of the image side surface of the radius of curvature R 7 and the 4th lens of the object side of 4th lens can meet -1.5 < R7/R8 ≤-0.5。
In one embodiment, total effective focal length f of optical imagery eyeglass group and the effective focal length f4 of the 4th lens can Meet -2.5 < f/f4≤- 1.5.
In one embodiment, the radius of curvature R 1, the curvature of the image side surface of the first lens of the object side of the first lens The radius of curvature R 4 of the image side surface of the radius of curvature R 3 and the second lens of the object side of radius R2, the second lens can meet -0.5 < (R1+R2)/(R3+R4) < 2.
In one embodiment, the second lens on optical axis center thickness CT2 and the 7th lens on optical axis Heart thickness CT7 can meet 1 < CT2/CT7 < 2.
In one embodiment, the intersection point of the second lens object side and optical axis to the second lens object side effective radius The intersection point of distance SAG21 and seventh lens image side surface and optical axis of the vertex on optical axis to the 7th lens image side surface effective radius Distance SAG72 of the vertex on optical axis can meet -2 < SAG21/SAG72 < -1.
In one embodiment, the combined focal length f34 and the 5th lens and the 6th lens of the third lens and the 4th lens Combined focal length f56 can meet 0.2 < f34/f56 < 1.5.
In one embodiment, the object side of maximum the effective radius DT11 and the 5th lens of the object side of the first lens Maximum effective radius DT51 can meet 2 < DT11/DT51 < 2.5.
In one embodiment, the first lens, the second lens, the third lens and the 4th lens combined focal length f1234 1.5 < f1234/ImgH can be met with the half ImgH of effective pixel area diagonal line length on the imaging surface of optical imagery eyeglass group < 2.5.
In one embodiment, the edge thickness ET3 of the third lens, the third lens on optical axis center thickness CT3, The edge thickness ET7 and the 7th lens of 7th lens in the center thickness CT7 on optical axis can meet 0.1 < (ET3 × CT3)/ (ET7 × CT7) < 0.4.
In one embodiment, the maximum angle of half field-of view HFOV of optical imagery eyeglass group can meet HFOV≤35 °.
On the other hand, present invention also provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along light Axis sequentially includes by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th are thoroughly Mirror.Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light Focal power；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be recessed Face；5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, optical imagery Total effective focal length f of lens set and the effective focal length f4 of the 4th lens can meet -2.5 < f/f4≤- 1.5.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the 4th lens The radius of curvature R 8 of the image side surface of the radius of curvature R 7 and the 4th lens of object side can meet -1.5 < R7/R8≤- 0.5.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, first lens The radius of curvature R 1 of object side, the radius of curvature R 2 of the image side surface of the first lens, the second lens object side radius of curvature R 3 - 0.5 < (R1+R2)/(R3+R4) < 2 can be met with the radius of curvature R 4 of the image side surface of the second lens.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the second lens in Center thickness CT2 and the 7th lens on optical axis can meet 1 < CT2/CT7 < 2 in the center thickness CT7 on optical axis.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the second lens object The intersection point of side and optical axis to the second lens object side distance SAG21 and seventh lens picture of the effective radius vertex on optical axis The intersection point of side and optical axis can meet -2 < to distance SAG72 of the effective radius vertex of the 7th lens image side surface on optical axis SAG21/SAG72 < -1.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the third lens and The combined focal length f34 and the 5th lens of 4th lens and the combined focal length f56 of the 6th lens can meet 0.2 < f34/f56 < 1.5。
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, first lens The maximum effective radius DT51 of the object side of the maximum effective radius DT11 and the 5th lens of object side can meet 2 < DT11/ DT51 < 2.5.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the first lens, The combined focal length f1234 of two lens, the third lens and the 4th lens and effective pixel region on the imaging surface of optical imagery eyeglass group The half ImgH of domain diagonal line length can meet 1.5 < f1234/ImgH < 2.5.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, the third lens Edge thickness ET3, the third lens are in the edge thickness ET7 of center thickness CT3, the 7th lens on optical axis and the 7th lens in light Center thickness CT7 on axis can meet 0.1 < (ET3 × CT3)/(ET7 × CT7) < 0.4.
Another aspect, this application provides such a optical imagery eyeglass groups, and the optical imagery eyeglass group is along optical axis Sequentially include by object side to image side：First lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens. Wherein, the first lens have focal power, and object side can be concave surface, and image side surface can be convex surface；Second lens can have positive light focus Degree；The third lens have focal power；4th lens can have negative power, and object side can be concave surface, and image side surface can be concave surface； 5th lens have focal power；6th lens can have negative power；7th lens have focal power.Wherein, optical imaging lens The maximum angle of half field-of view HFOV of piece group can meet HFOV≤35 °.
The application use seven lens, by each power of lens of reasonable distribution, face type, each lens center thickness And spacing etc. on the axis between each lens, so that above-mentioned optical imagery eyeglass group has long-focus, miniaturization, superior image product At least one beneficial effect such as matter and well processed characteristic.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent Point will be apparent.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imagery eyeglass group of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, astigmatism curve, Distortion curve and ratio chromatism, curve；
Figure 19 shows the structural schematic diagram of the optical imagery eyeglass group according to the embodiment of the present application 10；
It is bent that Figure 20 A to Figure 20 D respectively illustrates chromatic curve on the axis of the optical imagery eyeglass group of embodiment 10, astigmatism Line, distortion curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the lens near the surface of object Object side, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative " It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imagery eyeglass group according to the application illustrative embodiments may include such as seven saturating with focal power Mirror, that is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven Lens, by object side to image side sequential, and can have airspace along optical axis between each adjacent lens.
In the exemplary embodiment, the first lens have positive light coke or negative power, and object side can be concave surface, as Side can be convex surface；Second lens can have positive light coke；The third lens have positive light coke or negative power；4th lens can With negative power, object side can be concave surface, and image side surface can be concave surface；5th lens have positive light coke or negative power； 6th lens can have negative power；7th lens have positive light coke or negative power.Rationally setting optical imagery eyeglass group Focal power, it can be made to have the function of adjustment ray position, while can also effectively shorten the overall length of optical imaging lens group.
In the exemplary embodiment, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th Lens and the 7th lens can be the lens of plastic material.The lens for selecting plastic material are conducive to save optical imagery eyeglass The cost of group, and be conducive to the difficulty of processing that eyeglass is reduced while obtaining high image quality.
In the exemplary embodiment, the object side of the second lens can be convex surface.
In the exemplary embodiment, the image side surface of the third lens can be convex surface.
In the exemplary embodiment, the image side surface of the 5th lens can be convex surface.
In the exemplary embodiment, the object side of the 6th lens and image side surface can be concave surface.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2.5 < f/f4 of conditional≤- 1.5, wherein f is total effective focal length of optical imagery eyeglass group, and f4 is the effective focal length of the 4th lens.Specifically, f and f4 into One step can meet -2.22≤f/f4≤- 1.50.By the effective focal length of total effective focal length of optical imagery eyeglass group and the 4th lens Ratio control in the reasonable scope, the whole focal length of optical imagery eyeglass group can be increased, while can also the active balance curvature of field.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -0.5 < of conditional (R1+R2)/ (R3+R4) 2 <, wherein R1 is the radius of curvature of the object side of the first lens, and R2 is the curvature half of the image side surface of the first lens Diameter, R3 are the radius of curvature of the object side of the second lens, and R4 is the radius of curvature of the image side surface of the second lens.Specifically, R1, R2, R3 and R4 can further meet -0.79≤(R1+R2)/(R3+R4)≤1.95.Rationally the first lens of setting and the second lens Radius of curvature, may make optical imagery eyeglass group that there is bigger aperture, and then help to improve the overall brightness of imaging.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -1.5 < R7/R8 of conditional≤- 0.5, wherein R7 is the radius of curvature of the object side of the 4th lens, and R8 is the radius of curvature of the image side surface of the 4th lens.Specifically Ground, R7 and R8 can further meet -1.29≤R7/R8≤- 0.58.The rationally radius of curvature and the of the 4th lens object side of setting The radius of curvature of four lens image side surfaces, can active balance optical imagery eyeglass group the curvature of field and distortion.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1 < CT2/CT7 < 2 of conditional, In, CT2 is the second lens in the center thickness on optical axis, and CT7 is the 7th lens in the center thickness on optical axis.Specifically, CT2 1.29≤CT2/CT7≤1.81 can further be met with CT7.The center thickness of the second lens of reasonable control and the 7th lens The ratio of center thickness can effectively correct color difference on the axis of optical imagery eyeglass group, and can effectively improve optical imagery eyeglass group Image quality.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.2 < f34/f56 < of conditional 1.5, wherein f34 is the combined focal length of the third lens and the 4th lens, and f56 is the combined focal length of the 5th lens and the 6th lens. Specifically, f34 and f56 can further meet 0.27≤f34/f56≤1.40.The rationally group of setting the third lens and the 4th lens The combined focal length of complex focus and the 5th lens and the 6th lens is conducive to the incident ray for adjusting lens and the angle of emergent ray Degree, and can effectively correct the color difference of optical imagery eyeglass group.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet -2 < SAG21/SAG72 of conditional < -1, wherein SAG21 be the second lens object side and optical axis intersection point to the second lens object side effective radius vertex in light Distance on axis, SAG72 are that the effective radius vertex of intersection point to the 7th lens image side surface of the 7th lens image side surface and optical axis exists Distance on optical axis.Specifically, SAG21 and SAG72 can further meet -1.90≤SAG21/SAG72≤- 1.09.Meet item - 2 < -1 < SAG21/SAG72 of part formula, can effectively adjust the matching degree with chip chief ray angle, and can increase the change of lens Change freedom degree, helps to improve the ability of imaging lens group correction astigmatism and the curvature of field.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 2 < DT11/DT51 < of conditional 2.5, wherein DT11 is the maximum effective radius of the object side of the first lens, and DT51 is that the maximum of the object side of the 5th lens has Imitate radius.Specifically, DT11 and DT51 can further meet 2.15≤DT11/DT51≤2.24.Rationally the first lens object of control Ratio between the effective radius of side and the effective radius of the 5th lens object side, is conducive to the group of optical imagery eyeglass group Dress, while also helping and guaranteeing that optical imagery eyeglass group has excellent craftsmanship.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 1.5 < f1234/ImgH of conditional < 2.5, wherein f1234 be the first lens, the second lens, the third lens and the 4th lens combined focal length, ImgH be optics at As lens set imaging surface on effective pixel area diagonal line length half.Specifically, f1234 and ImgH can further meet 1.70≤f1234/ImgH≤2.33.Meet 1.5 < f1234/ImgH < 2.5 of conditional, can effectively ensure that lens imaging area. By the first lens of reasonable distribution, the second lens, the third lens and the 4th lens combined focal length, deflection of light can be made to tend to be slow With reduction system sensitivity；Astigmatism, distortion and the color difference of imaging lens group can also be reduced simultaneously.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet 0.1 < of conditional (ET3 × CT3)/ (ET7 × CT7) < 0.4, wherein ET3 is the edge thickness of the third lens, and CT3 is the third lens in the center thickness on optical axis, ET7 is the edge thickness of the 7th lens, and CT7 is the 7th lens in the center thickness on optical axis.Specifically, ET3, CT3, ET7 and CT7 can further meet 0.18≤(ET3 × CT3)/(ET7 × CT7)≤0.39.Rationally setting ET3, CT3, ET7 and CT7, can Effectively reduce optical imagery eyeglass group lens dimension, it is excessive to avoid the volume of optical imaging lens, and then meet compact at As the requirement of lens set.
In the exemplary embodiment, the optical imagery eyeglass group of the application can meet conditional HFOV≤35 °, wherein HFOV is the maximum angle of half field-of view of optical imagery eyeglass group.Specifically, HFOV can further meet 25 °≤HFOV≤30 °, example Such as, 26.7 °≤HFOV≤27.8 °.The full filed angle of control imaging lens group is specific in sensor image planes size no more than 70 ° Under conditions of may make optical imagery eyeglass group have longer focal length.With the increase of focal length, optical imagery eyeglass may make Group has bigger enlargement ratio and the smaller depth of field.
In the exemplary embodiment, above-mentioned optical imagery eyeglass group may also include diaphragm, with promoted camera lens at image quality Amount.Optionally, diaphragm may be provided between the first lens and the second lens.
Optionally, above-mentioned optical imagery eyeglass group may also include optical filter for correcting color error ratio and/or for protecting Shield is located at the protection glass of the photosensitive element on imaging surface.
Multi-disc eyeglass can be used according to the optical imagery eyeglass group of the above embodiment of the application, such as described above Seven.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing Deng the volume that can effectively reduce camera lens, the machinability for reducing the susceptibility of camera lens and improving camera lens, so that optical imaging lens Piece group, which is more advantageous to, to be produced and processed and is applicable to portable electronic product.Optical imagery eyeglass group through the above configuration is also There can be the beneficial effects such as long-focus, good processing characteristics and high image quality.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror.Non-spherical lens The characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve Image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where Under, the lens numbers for constituting optical imagery eyeglass group can be changed, to obtain each result and advantage described in this specification.Example Such as, although being described by taking seven lens as an example in embodiments, which is not limited to include seven A lens.If desired, the optical imagery eyeglass group may also include the lens of other quantity.
The specific implementation for being applicable to the optical imagery eyeglass group of above embodiment is further described with reference to the accompanying drawings Example.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imagery eyeglass group of the embodiment of the present application 1.Fig. 1 shows basis The structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 1.
As shown in Figure 1, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 1 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 1 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 7th lens E7 and image side surface are It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined：
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient ( It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1 The high-order coefficient A of mirror surface S1-S144、A6、A8、A10、A12、A14、A16、A18And A20。
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 6.3529E-03 6.3609E-03 -4.0059E-03 1.7109E-02 -4.3699E-02 6.5487E-02 -5.3420E-02 2.1972E-02 -3.5378E-03
S4 -5.0542E-02 2.5950E-01 -4.9997E-01 4.9184E-01 -3.1893E-01 1.8828E-01 -9.6508E-02 2.9256E-02 -3.4348E-03
S5 -1.0160E-01 6.7720E-01 -1.7657E+00 2.8552E+00 -3.8141E+00 4.1455E+00 -2.9945E+00 1.1929E+00 -1.9600E-01
S6 -1.3673E-01 1.3318E+00 -4.7692E+00 1.0579E+01 -1.6476E+01 1.8292E+01 -1.3511E+01 5.7932E+00 -1.0720E+00
S7 -2.2270E-01 1.3510E+00 -5.0426E+00 1.2832E+01 -2.2071E+01 2.5473E+01 -1.9011E+01 8.2905E+00 -1.5968E+00
S8 -3.0209E-02 8.4801E-01 -5.7852E+00 2.5835E+01 -7.3488E+01 1.3328E+02 -1.5004E+02 9.5590E+01 -2.6323E+01
S9 -7.1047E-02 -1.0279E+00 8.4540E+00 -4.6023E+01 1.5814E+02 -3.4477E+02 4.5729E+02 -3.3693E+02 1.0566E+02
S10 -5.5787E-01 2.7896E+00 -1.3516E+01 5.0848E+01 -1.3290E+02 2.2956E+02 -2.5217E+02 1.5991E+02 -4.4416E+01
S11 -3.2653E-01 6.7484E-01 -2.5787E+00 1.2607E+01 -4.0036E+01 7.8011E+01 -9.4268E+01 6.5309E+01 -1.9680E+01
S12 -8.8160E-02 -3.8082E-01 2.0239E+00 -5.1603E+00 8.3681E+00 -8.9091E+00 6.0285E+00 -2.3335E+00 3.8869E-01
S13 -6.9417E-02 1.1548E-02 -3.1568E-03 -1.0005E-03 9.7082E-03 -1.0849E-02 5.6188E-03 -1.3992E-03 1.3373E-04
S14 -6.6025E-02 -2.3297E-04 1.8761E-02 -2.7045E-02 2.1659E-02 -1.0138E-02 2.7313E-03 -3.8775E-04 2.2348E-05
Table 2
Table 3 give the effective focal length f1 to f7 of each lens in embodiment 1, optical imagery eyeglass group total effective focal length f, On optics total length TTL (that is, distance from the object side S1 of the first lens E1 to imaging surface S17 on optical axis), imaging surface S17 The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV.
f1(mm) -338.24 f7(mm) 216.28
f2(mm) 2.81 f(mm) 5.78
f3(mm) 10.62 TTL(mm) 5.75
f4(mm) -2.97 ImgH(mm) 2.29
f5(mm) 5.23 HFOV(°) 27.8
f6(mm) -3.35
Table 3
Optical imagery eyeglass group in embodiment 1 meets：
F/f4=-1.95, wherein f is total effective focal length of optical imagery eyeglass group, and f4 is effective coke of the 4th lens E4 Away from；
(R1+R2)/(R3+R4)=- 0.39, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, R2 the The radius of curvature of the image side surface S2 of one lens E1, R3 are the radius of curvature of the object side S3 of the second lens E2, and R4 is the second lens The radius of curvature of the image side surface S4 of E2；
R7/R8=-1.29, wherein R7 is the radius of curvature of the object side S7 of the 4th lens E4, and R8 is the 4th lens E4's The radius of curvature of image side surface S8；
CT2/CT7=1.29, wherein CT2 is the second lens E2 in the center thickness on optical axis, and CT7 is the 7th lens E7 In the center thickness on optical axis；
F34/f56=0.44, wherein f34 is the combined focal length of the third lens E3 and the 4th lens E4, and f56 is the 5th saturating The combined focal length of mirror E5 and the 6th lens E6；
SAG21/SAG72=-1.32, wherein SAG21 be the second lens E2 object side S3 and optical axis intersection point to second thoroughly Distance of the effective radius vertex of mirror E2 object side S3 on optical axis, SAG72 are the friendship of the 7th lens E7 image side surface S14 and optical axis Distance o'clock to the effective radius vertex of the 7th lens E7 image side surface S14 on optical axis；
DT11/DT51=2.20, wherein DT11 is the maximum effective radius of the object side S1 of the first lens E1, and DT51 is The maximum effective radius of the object side S9 of 5th lens E5；
F1234/ImgH=2.03, wherein f1234 is the first lens E1, the second lens E2, the third lens E3 and the 4th are saturating The combined focal length of mirror E4, ImgH are the half of effective pixel area diagonal line length on the imaging surface S17 of optical imagery eyeglass group；
(ET3 × CT3)/(ET7 × CT7)=0.19, wherein ET3 is the edge thickness of the third lens E3, and CT3 is third For lens E3 in the center thickness on optical axis, ET7 is the edge thickness of the 7th lens E7, and CT7 is the 7th lens E7 on optical axis Center thickness；
HFOV=27.8 °, wherein HFOV is the maximum angle of half field-of view of optical imagery eyeglass group.
Fig. 2A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 1, indicates the light of different wave length Deviate via the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 1, indicates son Noon curvature of the image and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imagery eyeglass group of embodiment 1, indicates not With distortion sizes values corresponding to image height.Fig. 2 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 1, table Show light via the deviation of the different image heights after camera lens on imaging surface.A to Fig. 2 D is it is found that given by embodiment 1 according to fig. 2 Optical imagery eyeglass group can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imagery eyeglass group of the embodiment of the present application 2.The present embodiment and with In lower embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application The structural schematic diagram of 2 optical imagery eyeglass group.
As shown in figure 3, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 4 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 2 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 2, optical imagery eyeglass group Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) -304.47 f7(mm) 112.34
f2(mm) 2.76 f(mm) 5.78
f3(mm) 11.46 TTL(mm) 5.75
f4(mm) -2.94 ImgH(mm) 2.29
f5(mm) 5.04 HFOV(°) 27.8
f6(mm) -3.28
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 2, indicates the light of different wave length Deviate via the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 2, indicates son Noon curvature of the image and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imagery eyeglass group of embodiment 2, indicates not With distortion sizes values corresponding to image height.Fig. 4 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 2, table Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that given by embodiment 2 Optical imagery eyeglass group can be realized good image quality.
Embodiment 3
The optical imagery eyeglass group according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows root According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 3.
As shown in figure 5, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has positive light coke, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 7 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 3 And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non- Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 1.0894E-02 -3.2696E-02 1.8042E-01 -4.9211E-01 8.1763E-01 -8.3877E-01 5.2186E-01 -1.8076E-01 2.6835E-02
S4 -9.4043E-03 2.2019E-01 -1.0641E+00 2.6121E+00 -3.9386E+00 3.8131E+00 -2.3153E+00 8.0412E-01 -1.2157E-01
S5 4.7720E-03 4.0577E-01 -2.3230E+00 5.9613E+00 -9.0754E+00 8.6770E+00 -5.1042E+00 1.6920E+00 -2.4279E-01
S6 -1.1603E-02 7.7517E-01 -4.3834E+00 1.3209E+01 -2.4302E+01 2.7994E+01 -1.9628E+01 7.6368E+00 -1.2599E+00
S7 -1.6024E-01 9.1726E-01 -3.8568E+00 1.2050E+01 -2.5260E+01 3.3986E+01 -2.8081E+01 1.2952E+01 -2.5475E+00
S8 -3.5784E-02 7.7390E-01 -5.2919E+00 2.6888E+01 -8.8219E+01 1.8138E+02 -2.2631E+02 1.5659E+02 -4.6046E+01
S9 -9.5240E-02 -6.8064E-01 5.1783E+00 -2.9121E+01 1.0231E+02 -2.3002E+02 3.1546E+02 -2.4050E+02 7.7986E+01
S10 -4.6798E-01 1.9175E+00 -8.8156E+00 2.9751E+01 -6.6183E+01 9.1666E+01 -7.5258E+01 3.3569E+01 -6.3280E+00
S11 -3.1843E-01 3.8115E-01 -2.2466E+00 1.3049E+01 -3.6897E+01 5.6522E+01 -4.6954E+01 1.9348E+01 -2.9381E+00
S12 -7.2313E-02 -7.3491E-01 3.3547E+00 -8.0893E+00 1.2631E+01 -1.2885E+01 8.2874E+00 -3.0466E+00 4.8658E-01
S13 -7.9145E-02 8.3855E-03 -1.3741E-02 1.7565E-02 -1.0228E-02 2.9441E-03 9.9178E-05 -2.4689E-04 3.7359E-05
S14 -7.0707E-02 5.7876E-03 -4.5197E-03 4.6879E-03 -3.2014E-03 1.5203E-03 -4.7945E-04 8.9146E-05 -6.9524E-06
Table 8
Table 9 provides total effective focal length f, the light of the effective focal length f1 to f7 of each lens in embodiment 3, optical imagery eyeglass group Learn the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on total length TTL, imaging surface S17.
f1(mm) -153.79 f7(mm) 51.27
f2(mm) 2.67 f(mm) 5.79
f3(mm) 14.04 TTL(mm) 5.76
f4(mm) -2.97 ImgH(mm) 2.29
f5(mm) 5.23 HFOV(°) 27.8
f6(mm) -3.30
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 3, indicates the light of different wave length Deviate via the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 3, indicates son Noon curvature of the image and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imagery eyeglass group of embodiment 3, indicates not With distortion sizes values corresponding to image height.Fig. 6 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 3, table Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that given by embodiment 3 Optical imagery eyeglass group can be realized good image quality.
Embodiment 4
The optical imagery eyeglass group according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows root According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 4 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 9.7074E-03 -2.5913E-02 1.4759E-01 -3.9052E-01 6.2701E-01 -6.1940E-01 3.7040E-01 -1.2342E-01 1.7694E-02
S4 -5.3719E-02 3.6300E-01 -1.1022E+00 2.1110E+00 -2.8315E+00 2.6039E+00 -1.5325E+00 5.1596E-01 -7.5280E-02
S5 -8.6657E-02 7.7485E-01 -2.6311E+00 5.3654E+00 -7.6311E+00 7.4969E+00 -4.7201E+00 1.6901E+00 -2.6053E-01
S6 -1.1128E-01 1.3483E+00 -5.6363E+00 1.4309E+01 -2.4096E+01 2.6896E+01 -1.8966E+01 7.6003E+00 -1.3128E+00
S7 -2.2887E-01 1.4088E+00 -5.7075E+00 1.6213E+01 -3.0948E+01 3.8670E+01 -3.0290E+01 1.3478E+01 -2.5941E+00
S8 -3.9771E-02 8.5919E-01 -5.7664E+00 2.6799E+01 -7.9829E+01 1.5069E+02 -1.7507E+02 1.1422E+02 -3.2008E+01
S9 -1.0898E-01 -3.5687E-01 2.1521E+00 -1.1859E+01 3.9934E+01 -8.4261E+01 1.0384E+02 -6.7776E+01 1.7644E+01
S10 -5.5651E-01 3.2327E+00 -1.7412E+01 6.6072E+01 -1.6822E+02 2.7973E+02 -2.9293E+02 1.7611E+02 -4.6355E+01
S11 -3.4920E-01 1.1370E+00 -6.3587E+00 2.6144E+01 -6.5721E+01 1.0169E+02 -9.6153E+01 5.2142E+01 -1.2651E+01
S12 -7.8123E-02 -5.1149E-01 2.2914E+00 -5.2851E+00 7.8587E+00 -7.6656E+00 4.7407E+00 -1.6739E+00 2.5347E-01
S13 -6.6770E-02 3.1978E-04 2.2773E-02 -4.1573E-02 4.5285E-02 -2.9445E-02 1.1264E-02 -2.2997E-03 1.9138E-04
S14 -6.3141E-02 -1.9915E-03 1.5368E-02 -1.8187E-02 1.2123E-02 -4.7231E-03 1.0270E-03 -1.0844E-04 3.9122E-06
Table 11
Table 12 gives total effective focal length of the effective focal length f1 to f7 of each lens in embodiment 4, optical imagery eyeglass group F, the half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view on optics total length TTL, imaging surface S17 HFOV。
f1(mm) -234.80 f7(mm) 38.57
f2(mm) 2.81 f(mm) 5.79
f3(mm) 10.37 TTL(mm) 5.76
f4(mm) -2.92 ImgH(mm) 2.29
f5(mm) 5.11 HFOV(°) 27.8
f6(mm) -3.19
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 4, indicates the light of different wave length Deviate via the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 4, indicates son Noon curvature of the image and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imagery eyeglass group of embodiment 4, indicates not With distortion sizes values corresponding to image height.Fig. 8 D shows the ratio chromatism, curve of the optical imagery eyeglass group of embodiment 4, table Show light via the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that given by embodiment 4 Optical imagery eyeglass group can be realized good image quality.
Embodiment 5
The optical imagery eyeglass group according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 shows root According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 5.
As shown in figure 9, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 5 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 1.1254E-02 -3.0836E-02 1.7345E-01 -4.7985E-01 8.0967E-01 -8.4308E-01 5.3242E-01 -1.8713E-01 2.8191E-02
S4 1.0045E-02 1.2932E-01 -9.0491E-01 2.5368E+00 -4.1574E+00 4.2944E+00 -2.7575E+00 1.0070E+00 -1.5920E-01
S5 4.8927E-02 1.3496E-01 -1.5310E+00 4.4911E+00 -7.1534E+00 6.8952E+00 -4.0198E+00 1.3171E+00 -1.8837E-01
S6 5.0387E-02 2.9629E-01 -2.6155E+00 9.2257E+00 -1.8197E+01 2.1467E+01 -1.4983E+01 5.6869E+00 -8.9808E-01
S7 -1.2786E-01 5.8315E-01 -2.4292E+00 8.5697E+00 -1.9997E+01 2.9003E+01 -2.5257E+01 1.2109E+01 -2.4536E+00
S8 -2.2368E-02 6.8448E-01 -5.0824E+00 2.7309E+01 -9.2258E+01 1.9293E+02 -2.4317E+02 1.6931E+02 -4.9956E+01
S9 -1.1006E-01 -5.4078E-01 4.0719E+00 -2.4448E+01 9.1394E+01 -2.1632E+02 3.0980E+02 -2.4439E+02 8.1206E+01
S10 -4.8162E-01 2.4064E+00 -1.1853E+01 4.0142E+01 -8.9522E+01 1.2672E+02 -1.0839E+02 5.1074E+01 -1.0237E+01
S11 -4.0646E-01 1.3861E+00 -7.4047E+00 2.9024E+01 -7.0393E+01 1.0410E+02 -9.0334E+01 4.2017E+01 -8.0652E+00
S12 -9.4544E-02 -4.9453E-01 2.2871E+00 -5.2767E+00 7.8028E+00 -7.5284E+00 4.5989E+00 -1.6172E+00 2.4889E-01
S13 -8.1064E-02 1.3191E-02 -1.1529E-02 1.0404E-02 -2.8133E-03 -1.8290E-03 1.8401E-03 -5.6844E-04 6.0850E-05
S14 -7.6783E-02 9.0379E-03 -6.4693E-03 6.7253E-03 -5.0601E-03 2.5832E-03 -8.4571E-04 1.5871E-04 -1.2397E-05
Table 14
Table 15 provide the effective focal length f1 to f7 of each lens in embodiment 5, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
f1(mm) -168.93 f7(mm) 24.07
f2(mm) 2.83 f(mm) 5.79
f3(mm) 10.26 TTL(mm) 5.76
f4(mm) -2.89 ImgH(mm) 2.29
f5(mm) 5.60 HFOV(°) 26.7
f6(mm) -3.33
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 5, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 5, indicates Meridianal image surface bending and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imagery eyeglass group of embodiment 5, table Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 10 D shows the optical imagery eyeglass group of embodiment 5 is bent Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 10 A to Figure 10 D it is found that implementing Optical imagery eyeglass group given by example 5 can be realized good image quality.
Embodiment 6
The optical imagery eyeglass group according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 6.
As shown in figure 11, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is concave surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 6 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 1.0952E-02 -2.7848E-02 1.5798E-01 -4.3664E-01 7.3821E-01 -7.6962E-01 4.8665E-01 -1.7130E-01 2.5876E-02
S4 1.0964E-02 8.0742E-02 -6.8160E-01 2.0622E+00 -3.5768E+00 3.8565E+00 -2.5517E+00 9.5020E-01 -1.5206E-01
S5 5.9778E-02 1.8503E-02 -1.0278E+00 3.4601E+00 -6.1356E+00 6.5574E+00 -4.2120E+00 1.5048E+00 -2.3101E-01
S6 6.0513E-02 1.3224E-01 -1.5047E+00 5.6285E+00 -1.1715E+01 1.4563E+01 -1.0648E+01 4.2015E+00 -6.8333E-01
S7 -1.7332E-01 6.6005E-01 -1.8460E+00 5.1928E+00 -1.1650E+01 1.7394E+01 -1.5879E+01 7.9998E+00 -1.6986E+00
S8 -4.5780E-02 8.0658E-01 -5.2336E+00 2.7931E+01 -9.6432E+01 2.0741E+02 -2.6876E+02 1.9180E+02 -5.7697E+01
S9 -1.3448E-01 -4.9526E-01 3.4673E+00 -2.0026E+01 7.3458E+01 -1.7204E+02 2.4467E+02 -1.9318E+02 6.5094E+01
S10 -3.5465E-01 1.4880E+00 -7.8691E+00 2.7033E+01 -5.8799E+01 7.8652E+01 -6.2166E+01 2.6669E+01 -4.7823E+00
S11 -2.9465E-01 3.9408E-01 -1.9714E+00 8.7363E+00 -1.9086E+01 1.9563E+01 -4.9176E+00 -5.6215E+00 3.1532E+00
S12 -1.0242E-01 -4.9685E-01 2.5924E+00 -6.4972E+00 1.0354E+01 -1.0752E+01 7.0411E+00 -2.6399E+00 4.3239E-01
S13 -6.1553E-02 2.5989E-03 -5.3902E-04 7.1064E-03 -6.7667E-03 3.5137E-03 -1.0322E-03 1.5578E-04 -9.0031E-06
S14 -8.1429E-02 1.6945E-02 -1.0889E-02 9.4600E-03 -5.9145E-03 2.4713E-03 -6.3918E-04 9.2929E-05 -5.7484E-06
Table 17
Table 18 provide the effective focal length f1 to f7 of each lens in embodiment 6, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 6, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 6, indicates Meridianal image surface bending and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imagery eyeglass group of embodiment 6, table Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 12 D shows the optical imagery eyeglass group of embodiment 6 is bent Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 12 A to Figure 12 D it is found that implementing Optical imagery eyeglass group given by example 6 can be realized good image quality.
Embodiment 7
The optical imagery eyeglass group according to the embodiment of the present application 7 is described referring to Figure 13 to Figure 14 D.Figure 13 is shown According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 7.
As shown in figure 13, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is convex surface.The third lens E3 has negative power, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 7 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 20
Table 21 provide the effective focal length f1 to f7 of each lens in embodiment 7, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
f1(mm) -129.01 f7(mm) 37.40
f2(mm) 2.35 f(mm) 5.79
f3(mm) -999.96 TTL(mm) 5.76
f4(mm) -3.04 ImgH(mm) 2.29
f5(mm) 5.33 HFOV(°) 27.8
f6(mm) -3.27
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 7, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 7, indicates Meridianal image surface bending and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imagery eyeglass group of embodiment 7, table Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 14 D shows the optical imagery eyeglass group of embodiment 7 is bent Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 14 A to Figure 14 D it is found that implementing Optical imagery eyeglass group given by example 7 can be realized good image quality.
Embodiment 8
The optical imagery eyeglass group according to the embodiment of the present application 8 is described referring to Figure 15 to Figure 16 D.Figure 15 is shown According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 8.
As shown in figure 15, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 8 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 1.0211E-02 -2.6800E-02 1.5624E-01 -4.2912E-01 7.1461E-01 -7.3204E-01 4.5390E-01 -1.5664E-01 2.3191E-02
S4 -2.3196E-02 2.5804E-01 -1.0400E+00 2.3924E+00 -3.5879E+00 3.5267E+00 -2.1753E+00 7.6295E-01 -1.1578E-01
S5 -2.0645E-02 4.8486E-01 -2.1794E+00 5.1658E+00 -7.8843E+00 7.8727E+00 -4.9067E+00 1.7268E+00 -2.6233E-01
S6 -4.2388E-02 8.9074E-01 -4.3372E+00 1.2287E+01 -2.2248E+01 2.5852E+01 -1.8523E+01 7.4167E+00 -1.2651E+00
S7 -1.9449E-01 1.0749E+00 -4.2632E+00 1.2724E+01 -2.5922E+01 3.4358E+01 -2.8240E+01 1.3045E+01 -2.5817E+00
S8 -5.2842E-02 8.8679E-01 -5.8678E+00 2.8838E+01 -9.1745E+01 1.8397E+02 -2.2506E+02 1.5331E+02 -4.4506E+01
S9 -1.0597E-01 -5.1425E-01 3.8154E+00 -2.1108E+01 7.2508E+01 -1.5887E+02 2.1078E+02 -1.5423E+02 4.7567E+01
S10 -5.1069E-01 2.2771E+00 -1.0497E+01 3.5713E+01 -8.1684E+01 1.1935E+02 -1.0723E+02 5.4887E+01 -1.2483E+01
S11 -3.1757E-01 4.7121E-01 -2.0144E+00 9.6427E+00 -2.4336E+01 3.1668E+01 -1.9093E+01 2.9754E+00 9.4993E-01
S12 -9.8008E-02 -4.8875E-01 2.3593E+00 -5.5700E+00 8.3544E+00 -8.1143E+00 4.9524E+00 -1.7161E+00 2.5411E-01
S13 -7.1778E-02 -2.8259E-03 3.1064E-02 -6.5140E-02 7.9005E-02 -5.6224E-02 2.3266E-02 -5.0849E-03 4.4920E-04
S14 -6.6670E-02 4.6860E-03 2.7643E-03 -4.1669E-03 2.3867E-03 -4.8171E-04 -9.8569E-05 5.6709E-05 -6.2594E-06
Table 23
Table 24 provide the effective focal length f1 to f7 of each lens in embodiment 8, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
f1(mm) -180.09 f7(mm) -5069.86
f2(mm) 2.82 f(mm) 5.80
f3(mm) 10.38 TTL(mm) 5.78
f4(mm) -2.98 ImgH(mm) 2.29
f5(mm) 5.06 HFOV(°) 27.7
f6(mm) -3.38
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 8, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 8, indicates Meridianal image surface bending and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imagery eyeglass group of embodiment 8, table Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 16 D shows the optical imagery eyeglass group of embodiment 8 is bent Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 16 A to Figure 16 D it is found that implementing Optical imagery eyeglass group given by example 8 can be realized good image quality.
Embodiment 9
The optical imagery eyeglass group according to the embodiment of the present application 9 is described referring to Figure 17 to Figure 18 D.Figure 17 shows According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 9.
As shown in figure 17, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has negative power, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is concave surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 9 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side of any one lens of the first lens E1 into the 7th lens E7 It is aspherical with image side surface.Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Face number A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S2 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
S3 1.2499E-02 -4.2442E-02 2.3062E-01 -6.3094E-01 1.0527E+00 -1.0823E+00 6.7294E-01 -2.3214E-01 3.4216E-02
S4 -4.7839E-04 1.8863E-01 -9.2927E-01 2.2207E+00 -3.2641E+00 3.1066E+00 -1.8813E+00 6.6349E-01 -1.0350E-01
S5 1.1163E-02 3.1329E-01 -1.8071E+00 4.3948E+00 -6.1452E+00 5.2328E+00 -2.6502E+00 7.3039E-01 -8.4335E-02
S6 2.4709E-02 5.0537E-01 -3.5625E+00 1.1584E+01 -2.1640E+01 2.4470E+01 -1.6439E+01 5.9823E+00 -8.9369E-01
S7 -8.0819E-02 4.8945E-01 -2.7691E+00 1.0480E+01 -2.3857E+01 3.3079E+01 -2.7501E+01 1.2611E+01 -2.4485E+00
S8 -4.4419E-02 4.9931E-01 -3.6011E+00 1.8896E+01 -6.0924E+01 1.2088E+02 -1.4452E+02 9.5545E+01 -2.6769E+01
S9 -1.3826E-01 -6.1669E-01 6.5698E+00 -4.3135E+01 1.7341E+02 -4.3451E+02 6.5837E+02 -5.5161E+02 1.9583E+02
S10 -4.8156E-01 1.4753E+00 -3.8992E+00 1.0438E+01 -2.3773E+01 3.7037E+01 -3.4694E+01 1.7576E+01 -3.7447E+00
S11 -6.7536E-01 1.6965E+00 -4.1514E+00 1.2245E+01 -3.1080E+01 5.1429E+01 -4.9717E+01 2.5666E+01 -5.5267E+00
S12 -7.0091E-02 -4.9592E-01 2.3026E+00 -5.4861E+00 8.1158E+00 -7.6161E+00 4.4214E+00 -1.4448E+00 2.0208E-01
S13 -8.6269E-02 -1.3524E-02 3.1818E-02 -3.1073E-02 8.0357E-03 1.1372E-02 -1.3214E-02 5.7864E-03 -9.1628E-04
S14 -6.7056E-02 -2.1357E-02 5.5763E-02 -7.3711E-02 6.1730E-02 -3.3424E-02 1.1232E-02 -2.1373E-03 1.7685E-04
Table 26
Table 27 provide the effective focal length f1 to f7 of each lens in embodiment 9, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
f1(mm) -155.10 f7(mm) 31.42
f2(mm) 2.86 f(mm) 5.80
f3(mm) 9.82 TTL(mm) 5.78
f4(mm) -3.86 ImgH(mm) 2.29
f5(mm) -1000.02 HFOV(°) 27.8
f6(mm) -5.04
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 9, indicates the light of different wave length Deviate via the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 9, indicates Meridianal image surface bending and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imagery eyeglass group of embodiment 9, table Show distortion sizes values corresponding to different image heights.The ratio chromatism, that Figure 18 D shows the optical imagery eyeglass group of embodiment 9 is bent Line indicates light via the deviation of the different image heights after camera lens on imaging surface.According to Figure 18 A to Figure 18 D it is found that implementing Optical imagery eyeglass group given by example 9 can be realized good image quality.
Embodiment 10
The optical imagery eyeglass group according to the embodiment of the present application 10 is described referring to Figure 19 to Figure 20 D.Figure 19 is shown According to the structural schematic diagram of the optical imagery eyeglass group of the embodiment of the present application 10.
As shown in figure 19, according to the optical imagery eyeglass group of the application illustrative embodiments along optical axis by object side to image side Sequentially include：First lens E1, diaphragm STO, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th Lens E6, the 7th lens E7, optical filter E8 and imaging surface S17.
First lens E1 has positive light coke, and object side S1 is concave surface, and image side surface S2 is convex surface.Second lens E2 has Positive light coke, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is Concave surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has negative power, Its object side S11 is concave surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as Side S14 is convex surface.Optical filter E8 has object side S15 and image side surface S16.Light from object sequentially passes through each surface S1 extremely S16 is simultaneously ultimately imaged on imaging surface S17.
In the present embodiment, lens E1-E7 is the lens of plastic material.
Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imagery eyeglass group of embodiment 10 Material and circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 28
As shown in Table 28, in embodiment 10, the object side of any one lens of the first lens E1 into the 7th lens E7 Face and image side surface are aspherical.Table 29 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 29
Table 30 provide the effective focal length f1 to f7 of each lens in embodiment 10, optical imagery eyeglass group total effective focal length f, The half ImgH of effective pixel area diagonal line length and maximum angle of half field-of view HFOV on optics total length TTL, imaging surface S17.
f1(mm) 899.80 f7(mm) 29.10
f2(mm) 2.82 f(mm) 5.80
f3(mm) 10.66 TTL(mm) 5.78
f4(mm) -2.88 ImgH(mm) 2.29
f5(mm) 5.24 HFOV(°) 27.8
f6(mm) -3.21
Table 30
Figure 20 A shows chromatic curve on the axis of the optical imagery eyeglass group of embodiment 10, indicates the light of different wave length Line deviates via the converging focal point after camera lens.Figure 20 B shows the astigmatism curve of the optical imagery eyeglass group of embodiment 10, table Show meridianal image surface bending and sagittal image surface bending.Figure 20 C shows the distortion curve of the optical imagery eyeglass group of embodiment 10, Indicate distortion sizes values corresponding to different image heights.Figure 20 D shows the ratio chromatism, of the optical imagery eyeglass group of embodiment 10 Curve indicates light via the deviation of the different image heights after camera lens on imaging surface.0A to Figure 20 D is it is found that reality according to fig. 2 Applying optical imagery eyeglass group given by example 10 can be realized good image quality.
To sum up, embodiment 1 to embodiment 10 meets relationship shown in table 31 respectively.
Table 31
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above Piece group.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein Can technical characteristic replaced mutually and the technical solution that is formed.

Claims (11)

1. optical imagery eyeglass group sequentially includes by object side to image side along optical axis：The first lens with focal power, second are thoroughly Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
The object side of first lens is concave surface, and image side surface is convex surface；
Second lens have positive light coke；
4th lens have negative power, and object side and image side surface are concave surface；
6th lens have negative power；
First lens, second lens, the third lens, the 4th lens, the 5th lens, the described 6th Lens and the 7th lens are the lens of plastic material；And
The satisfaction of radius of curvature R 8-of the image side surface of the radius of curvature R 7 and the 4th lens of the object side of 4th lens 1.5 < R7/R8≤- 0.5.
2. optical imagery eyeglass group according to claim 1, which is characterized in that the optical imagery eyeglass group it is total effectively The effective focal length f4 of focal length f and the 4th lens meets -2.5 < f/f4≤- 1.5.
3. optical imagery eyeglass group according to claim 1, which is characterized in that the curvature of the object side of first lens Radius R1, the radius of curvature R 2 of the image side surface of first lens, second lens object side radius of curvature R 3 and institute The radius of curvature R 4 for stating the image side surface of the second lens meets -0.5 < (R1+R2)/(R3+R4) < 2.
4. optical imagery eyeglass group according to claim 1, which is characterized in that second lens are on the optical axis Center thickness CT2 and the 7th lens are in the 1 < CT2/CT7 < 2 of center thickness CT7 satisfaction on the optical axis.
5. optical imagery eyeglass group according to claim 4, which is characterized in that the second lens object side and the light The intersection point of axis to the second lens object side distance SAG21 of the effective radius vertex on the optical axis with the described 7th thoroughly Distance of the intersection point of mirror image side and the optical axis to the effective radius vertex of the 7th lens image side surface on the optical axis SAG72 meets -2 < SAG21/SAG72 < -1.
6. optical imagery eyeglass group according to claim 1, which is characterized in that the third lens and the 4th lens Combined focal length f34 and the combined focal length f56 of the 5th lens and the 6th lens meet 0.2 < f34/f56 < 1.5.
7. optical imagery eyeglass group according to claim 1, which is characterized in that the maximum of the object side of first lens The maximum effective radius DT51 of the object side of effective radius DT11 and the 5th lens meets 2 < DT11/DT51 < 2.5.
8. optical imagery eyeglass group according to claim 1, which is characterized in that the edge thickness ET3 of the third lens, The third lens are in the edge thickness ET7 and the 7th lens of center thickness CT3, the 7th lens on the optical axis Meet 0.1 < (ET3 × CT3)/(ET7 × CT7) < 0.4 in the center thickness CT7 on the optical axis.
9. optical imagery eyeglass group according to any one of claim 1 to 8, which is characterized in that first lens, institute State the second lens, the third lens and the 4th lens combined focal length f1234 and the optical imagery eyeglass group at The half ImgH of effective pixel area diagonal line length meets 1.5 < f1234/ImgH < 2.5 in image planes.
10. optical imagery eyeglass group according to any one of claim 1 to 8, which is characterized in that the optical imaging lens The maximum angle of half field-of view HFOV of piece group meets HFOV≤35 °.
11. optical imagery eyeglass group sequentially includes by object side to image side along optical axis：The first lens with focal power, second Lens, the third lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens, which is characterized in that
The object side of first lens is concave surface, and image side surface is convex surface；
Second lens have positive light coke；
4th lens have negative power, and object side and image side surface are concave surface；
6th lens have negative power；And
Total effective focal length f of the optical imagery eyeglass group and the effective focal length f4 of the 4th lens meet -2.5 < f/f4 ≤-1.5。
CN201810917255.2A 2018-08-13 2018-08-13 Optical Imaging Lens Group Active CN108919465B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810917255.2A CN108919465B (en) 2018-08-13 2018-08-13 Optical Imaging Lens Group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810917255.2A CN108919465B (en) 2018-08-13 2018-08-13 Optical Imaging Lens Group

Publications (2)

Publication Number Publication Date
CN108919465A true CN108919465A (en) 2018-11-30
CN108919465B CN108919465B (en) 2023-08-25

Family

ID=64404512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810917255.2A Active CN108919465B (en) 2018-08-13 2018-08-13 Optical Imaging Lens Group

Country Status (1)

Country Link
CN (1) CN108919465B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114047607A (en) * 2019-03-26 2022-02-15 浙江舜宇光学有限公司 Optical imaging lens
US11460678B2 (en) 2019-12-25 2022-10-04 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031628A (en) * 2018-10-29 2018-12-18 浙江舜宇光学有限公司 Optical imagery eyeglass group
CN208636555U (en) * 2018-08-13 2019-03-22 浙江舜宇光学有限公司 Optical imagery eyeglass group
US20200233186A1 (en) * 2018-04-12 2020-07-23 Zhejiang Sunny Optical Co., Ltd. Optical imaging system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200233186A1 (en) * 2018-04-12 2020-07-23 Zhejiang Sunny Optical Co., Ltd. Optical imaging system
CN208636555U (en) * 2018-08-13 2019-03-22 浙江舜宇光学有限公司 Optical imagery eyeglass group
CN109031628A (en) * 2018-10-29 2018-12-18 浙江舜宇光学有限公司 Optical imagery eyeglass group

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114047607A (en) * 2019-03-26 2022-02-15 浙江舜宇光学有限公司 Optical imaging lens
CN114047607B (en) * 2019-03-26 2023-11-21 浙江舜宇光学有限公司 Optical imaging lens
US11460678B2 (en) 2019-12-25 2022-10-04 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device
US11906714B2 (en) 2019-12-25 2024-02-20 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device

Also Published As

Publication number Publication date
CN108919465B (en) 2023-08-25

Similar Documents

Publication Publication Date Title
CN108535843B (en) Optical imaging system
CN108181701B (en) Optical imagery eyeglass group
CN108873253A (en) Pick-up lens
CN109085693A (en) Optical imaging lens
CN109031629A (en) imaging optical system
CN107843977A (en) Optical imaging lens
CN108873255A (en) Optical imaging system
CN109031628A (en) Optical imagery eyeglass group
CN108535848A (en) Optical imagery eyeglass group
CN108732724A (en) Optical imaging system
CN109343204A (en) Optical imaging lens
CN108873256A (en) Optical imaging system
CN109782418A (en) Optical imaging lens
CN208506350U (en) Pick-up lens
CN108761730A (en) Pick-up lens
CN109491047A (en) Optical imaging lens
CN209044159U (en) Imaging optical system
CN107957620A (en) Optical imaging lens
CN109358415A (en) Optical imaging lens
CN208521051U (en) Optical imagery eyeglass group
CN207516629U (en) Optical imaging lens
CN109752825A (en) Optical imagery eyeglass group
CN108873254A (en) Optical imaging system
CN109298511A (en) Optical imaging system
CN108663782A (en) Pick-up lens

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant